Boss Office Products Grey Contemporary Ergonomic Adjustable Height Swivel Task Chair Bird Repellents 3 Type Standard Warranty Lifetime 3 Type Standard Warranty Lifetime Sub Brand N A Finish Full polish Handle Type Full polish Arc (Degrees) 5 Reversible Yes 1 2 in Drive Included Yes 1 4 in Drive Included No 3 4 in Drive Included No 3 8 in Drive Included No Case Type N A (no case) Total Number of Pieces 1 Number of Teeth 72 Set Individual Individual Material Steel Measure Type Standard (SAE) and Metric combination CA Residents: Prop 65 Warning(s) No UNSPSC 27111700 Exceeds Dade County Chapter 15 flashing requirements ) 275 Adjustable Height Yes Package Quantity 1 Arms Armless Folding No Massaging No Heated No Lumbar Support Yes Ergonomic Yes Casters Yes BIFMA ANSI Certified No CA Residents: Prop 65 Warning(s) No Swivel Yes Tilting Yes UNSPSC 56101500 Collection Name N A Color Finish Family Black Manufacturer Color Finish Grey Back Material Upholstered Seat Material Upholstered Frame Material Metal Wood Species Poplar Finish Type Metal Style Contemporary Trend Modern Type Task Number of Casters Wheels 5 Maximum Seat Height (Inches) 20 Minimum Seat Height (Inches) 17 Seat Back Height (Inches) 19